Assignee
Inventors
- Hirohisa Suido (2 patents)
- Akira Miike (27 patents)
- Kenji Hasegawa (138 patents)
- Norihiko Kayahara (6 patents)
- Toru Eguchi (30 patents)
- Toshio Tatano (18 patents)
- Koichi Nakashima (3 patents)
US Patent 5223404 · Granted Jun 29, 1993